Minor changes (#1464)

Spelling + unused type ignore

Author: cdce8p

astroid/nodes/node_ng.py

@@ -261,7 +261,7 @@ def last_child(self) -> Optional["NodeNG"]:
         """An optimized version of list(get_children())[-1]"""
         for field in self._astroid_fields[::-1]:
             attr = getattr(self, field)
-            if not attr:  # None or empty listy / tuple
+            if not attr:  # None or empty list / tuple
                 continue
             if isinstance(attr, (list, tuple)):
                 return attr[-1]

astroid/rebuilder.py

@@ -2330,7 +2330,7 @@ def visit_matchsingleton(
             self, node: "ast.MatchSingleton", parent: NodeNG
         ) -> nodes.MatchSingleton:
             return nodes.MatchSingleton(
-                value=node.value,  # type: ignore[arg-type] # See https://github.com/python/mypy/pull/10389
+                value=node.value,
                 lineno=node.lineno,
                 col_offset=node.col_offset,
                 end_lineno=node.end_lineno,